Interlock has completed 30 metal roofs in Duncan, BC. Local projects span 5 roof profiles (Slate, Shingle, Standing Seam, Cedar Shake, Tile) and were installed between 1998 and 2026.
★★★★★Until management intervened, some employees performed construction tasks they weren’t qualified for; in rain-soaked Duncan, BC—where high annual precipitation and coastal humidity encourage moss growth and accelerate corrosion—using quality Metal Shingles installed by Interlock M
— Wayne and Hazel G., Duncan, BC · 2020 · Verified ↗
★★★★★Interlock Metal Roofing (BC) Ltd. sent a skilled installer who did an excellent job on our Metal Shakes roof in Duncan, BC, but we would have preferred faster scheduling and a full installation crew—one installer completed 99% of the work, which delayed completion. In rain-prone,
— Alan and Janice L., Duncan, BC · 2019 · Verified ↗
★★★★★— Paul and Ulla C., Duncan, BC · 2018 · Verified ↗
★★★★★Interlock Metal Roofing (BC) Ltd. — Metal Shingles: In rain‑soaked Duncan, BC, where high annual precipitation and coastal humidity promote moss growth, Interlock's aluminum metal shingles deliver proven, high‑quality, long‑lasting protection against moisture and biological fouli
— Philip and Holly J., Duncan, BC · Verified ↗






Join your neighbours with a lifetime Interlock aluminum roof — lightweight, fire-resistant and backed by a lifetime limited warranty.
Call 1-866-780-8247 for a free quote